Hard
Chicken Riddles
A fast-food restaurant sells chicken in orders of 6,9 and 20. What's the largest number of pieces of chicken you cannot order from the restaurant?
Choose an answer
A.41
B.44
C.23
D.43 is the last number that doesn't fall into these categories.
Answer: 43 is the last number that doesn't fall into these categories.
This is the classic "Chicken McNugget" Frobenius number problem, where 43 is the largest value that can't be made from combinations of 6, 9, and 20.